:root {
  --bg: #f5f1e8;
  --bg-soft: #fbf8f2;
  --bg-tint: #eef6f7;
  --bg-ink: #0f172a;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.88);
  --surface-dark: rgba(12, 23, 42, 0.72);
  --line: rgba(15, 23, 42, 0.12);
  --line-strong: rgba(15, 23, 42, 0.2);
  --text: #10213b;
  --text-soft: #42526b;
  --text-muted: #66748a;
  --text-inverse: #edf5ff;
  --accent: #117a8b;
  --accent-2: #23a2b5;
  --accent-warm: #d76b47;
  --accent-violet: #5b66c6;
  --shadow-xl: 0 28px 80px rgba(15, 23, 42, 0.14);
  --shadow-lg: 0 18px 50px rgba(15, 23, 42, 0.11);
  --shadow-sm: 0 10px 24px rgba(15, 23, 42, 0.06);
  --display: "Fraunces", serif;
  --body: "Manrope", sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --site-width: min(1240px, calc(100vw - 48px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--body);
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(35, 162, 181, 0.12), transparent 28%),
    radial-gradient(circle at 88% 14%, rgba(215, 107, 71, 0.08), transparent 24%),
    linear-gradient(180deg, #faf6ef 0%, #f5f1e8 42%, #edf4f6 100%);
  min-height: 100vh;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: rgba(17, 122, 139, 0.18);
  color: var(--text);
}

.page-shell {
  position: relative;
  overflow-x: clip;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(24px) saturate(1.25);
  -webkit-backdrop-filter: blur(24px) saturate(1.25);
  background: rgba(245, 241, 232, 0.72);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.header-inner,
.footer-inner,
.hero-grid,
.institution-rail,
.chapter,
.site-footer {
  width: var(--site-width);
  margin: 0 auto;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px 0;
}

.wordmark {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-decoration: none;
  color: var(--text);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.92rem;
  transition: color 0.22s ease, transform 0.22s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible,
.institution-rail a:hover,
.institution-rail a:focus-visible {
  color: var(--text);
}

.nav-pill {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.66);
}

.hero {
  padding: 74px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: 44px;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker,
.panel-label,
.orbital-label {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.eyebrow {
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 18px;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(3.3rem, 8vw, 6.4rem);
  line-height: 0.93;
  max-width: 11ch;
}

.hero-lead {
  margin: 28px 0 0;
  font-size: 1.18rem;
  line-height: 1.78;
  max-width: 60ch;
  color: var(--text-soft);
}

.hero-body {
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.9;
  max-width: 64ch;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 20px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.94rem;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.btn:hover,
.btn:focus-visible,
.avatar-connect:hover,
.avatar-connect:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, #0f172a 0%, #16335c 100%);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
  border: 1px solid rgba(15, 23, 42, 0.12);
}

.btn-compact {
  padding: 11px 16px;
  font-size: 0.86rem;
}

.hero-stats {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-md);
  padding: 18px;
  min-height: 132px;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  display: block;
  font-family: var(--display);
  font-size: 2.3rem;
  line-height: 1;
}

.stat-label {
  display: block;
  margin-top: 12px;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}

.hero-visual {
  position: relative;
  min-height: 640px;
}

.portrait-panel {
  position: absolute;
  inset: 56px 46px 118px 46px;
  border-radius: 44px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 40%, rgba(35, 162, 181, 0.12), transparent 36%),
    radial-gradient(circle at 25% 78%, rgba(91, 102, 198, 0.12), transparent 32%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.94), rgba(237, 244, 246, 0.84));
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: var(--shadow-xl);
}

.portrait-shell {
  position: relative;
  width: 100%;
  height: calc(100% - 76px);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.portrait-grid,
.portrait-ring,
.avatar-stage {
  position: absolute;
}

.portrait-grid {
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, #000 0%, rgba(0, 0, 0, 0.7) 50%, transparent 86%);
}

.portrait-ring {
  border-radius: 50%;
  border: 1px solid rgba(17, 122, 139, 0.18);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.portrait-ring-a {
  width: 340px;
  height: 340px;
}

.portrait-ring-b {
  width: 470px;
  height: 470px;
  border-color: rgba(91, 102, 198, 0.14);
}

.avatar-stage {
  width: 186px;
  height: 186px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  padding: 11px;
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.86), rgba(20, 80, 105, 0.72));
  box-shadow: 0 18px 52px rgba(15, 23, 42, 0.25);
}

.avatar-placeholder,
.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.avatar-placeholder {
  display: grid;
  place-items: center;
  color: rgba(245, 241, 232, 0.92);
  font-family: var(--display);
  font-size: 3.15rem;
  background:
    radial-gradient(circle at 30% 30%, rgba(35, 162, 181, 0.35), transparent 35%),
    linear-gradient(145deg, #0f172a 0%, #18324a 100%);
}

.hero-avatar {
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.32);
}

.avatar-connect {
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.avatar-connect-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #7df3ff, #117a8b);
  box-shadow: 0 0 12px rgba(35, 162, 181, 0.6);
}

.orbital-card {
  position: absolute;
  max-width: 220px;
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.88);
  color: var(--text-inverse);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.22);
}

.orbital-card strong {
  display: block;
  margin-top: 8px;
  font-family: var(--display);
  font-size: 1.22rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.orbital-card p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(237, 245, 255, 0.78);
}

.orbital-label {
  font-size: 0.68rem;
  color: rgba(125, 243, 255, 0.9);
}

.orbital-card-top {
  top: 0;
  right: 20px;
}

.orbital-card-right {
  right: 0;
  bottom: 130px;
}

.orbital-card-bottom {
  left: 8px;
  bottom: 22px;
}

.institution-rail {
  margin-top: 26px;
  padding: 18px 24px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--shadow-sm);
}

.institution-rail a {
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.chapter {
  padding: 94px 0 0;
}

.chapter-light,
.chapter-tint,
.chapter-archive,
.chapter-dark,
.builder-section {
  position: relative;
}

.chapter-dark {
  padding: 110px 0 0;
}

.chapter-dark,
.builder-section {
  padding-left: clamp(22px, 3vw, 34px);
  padding-right: clamp(22px, 3vw, 34px);
}

.chapter-dark::before,
.builder-section::before {
  content: "";
  position: absolute;
  border-radius: 42px;
  z-index: -1;
}

.chapter-dark::before {
  inset: 50px 0 -14px;
  background:
    radial-gradient(circle at 14% 20%, rgba(35, 162, 181, 0.18), transparent 20%),
    radial-gradient(circle at 86% 14%, rgba(215, 107, 71, 0.12), transparent 22%),
    linear-gradient(145deg, #0d172a 0%, #10213b 48%, #12344d 100%);
  box-shadow: var(--shadow-xl);
}

.builder-section::before {
  inset: 50px 0 -14px;
  background:
    radial-gradient(circle at 18% 30%, rgba(35, 162, 181, 0.2), transparent 20%),
    radial-gradient(circle at 82% 18%, rgba(91, 102, 198, 0.2), transparent 20%),
    linear-gradient(145deg, #101a2d 0%, #122842 100%);
  box-shadow: var(--shadow-xl);
}

.section-head {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.section-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 92px;
  height: 92px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: var(--shadow-sm);
  font-family: var(--display);
  font-size: 2rem;
}

.chapter-dark .section-index,
.builder-section .section-index {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-inverse);
  border-color: rgba(255, 255, 255, 0.08);
}

.section-kicker {
  margin: 4px 0 14px;
  font-size: 0.74rem;
  color: var(--accent);
}

.section-head h2 {
  font-size: clamp(2.1rem, 4.6vw, 3.85rem);
  line-height: 1.02;
  max-width: 17ch;
}

.chapter-dark h2,
.builder-section h2,
.chapter-dark .section-kicker,
.builder-section .section-kicker,
.chapter-dark .panel-label,
.builder-section .panel-label,
.chapter-dark .research-badge span,
.builder-section .builder-copy,
.builder-section p,
.builder-section .project-card p,
.builder-section .project-card .project-meta,
.builder-section .project-card .project-tags span,
.builder-section .project-actions a {
  color: var(--text-inverse);
}

.profile-intro,
.research-topline,
.research-layout,
.publication-toolbar,
.timeline-grid,
.dual-grid,
.builder-copy,
.builder-grid,
.studio-intro,
.studio-grid,
.archive-intro,
.archive-root {
  margin-left: 120px;
}

.profile-intro,
.builder-copy,
.studio-intro,
.archive-intro {
  margin-top: 28px;
  display: grid;
  gap: 18px;
  max-width: 82ch;
}

.profile-intro p,
.builder-copy p,
.studio-intro p,
.archive-intro p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-soft);
}

.builder-copy p,
.builder-section .studio-intro p {
  color: rgba(237, 245, 255, 0.82);
}

.profile-grid,
.theme-grid,
.conference-grid,
.publication-grid,
.timeline-grid,
.mini-card-grid,
.builder-grid,
.studio-grid,
.archive-grid {
  display: grid;
  gap: 18px;
}

.profile-grid {
  margin-top: 34px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.publication-card,
.timeline-card,
.mini-card,
.project-card,
.studio-card,
.archive-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature-card,
.timeline-card,
.mini-card,
.studio-card,
.archive-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.82));
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: var(--shadow-sm);
}

.feature-card {
  padding: 24px;
}

.feature-card::before,
.publication-card::before,
.timeline-card::before,
.mini-card::before,
.project-card::before,
.studio-card::before,
.archive-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 26%);
}

.feature-card .card-kicker,
.publication-card .pub-meta,
.timeline-card .timeline-meta,
.mini-card .card-kicker,
.studio-card .card-kicker,
.archive-card .card-kicker {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  color: var(--accent);
}

.feature-card h3,
.publication-card h3,
.timeline-card h3,
.project-card h3,
.studio-card h3,
.archive-card h3 {
  margin-top: 10px;
  font-size: 1.52rem;
  line-height: 1.1;
}

.feature-card p,
.publication-card p,
.timeline-card p,
.mini-card p,
.studio-card p,
.archive-card p {
  margin: 12px 0 0;
  color: var(--text-soft);
  line-height: 1.8;
  font-size: 0.95rem;
}

.link-row,
.publication-actions,
.project-actions,
.studio-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.link-row a,
.publication-actions a,
.project-actions a,
.studio-actions a {
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 13px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  background: rgba(17, 122, 139, 0.1);
  border: 1px solid rgba(17, 122, 139, 0.16);
}

.research-topline {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.research-badge {
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px;
}

.research-badge strong {
  display: block;
  font-family: var(--display);
  font-size: 2.4rem;
  color: var(--text-inverse);
}

.research-badge span {
  display: block;
  margin-top: 10px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(237, 245, 255, 0.76);
}

.research-layout {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}

.research-layout > * {
  min-width: 0;
}

.theme-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.theme-card,
.conference-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 22px;
}

.theme-card h3,
.conference-card h3 {
  color: var(--text-inverse);
  font-size: 1.32rem;
}

.theme-card p,
.conference-card p {
  color: rgba(237, 245, 255, 0.78);
  line-height: 1.75;
  margin: 12px 0 0;
}

.theme-card .tag-row,
.conference-card .tag-row,
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.theme-card .tag-row span,
.conference-card .tag-row span,
.project-tags span,
.publication-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.theme-card .tag-row span,
.conference-card .tag-row span {
  background: rgba(125, 243, 255, 0.08);
  color: #c5f5fd;
  border: 1px solid rgba(125, 243, 255, 0.1);
}

.conference-panel {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-head {
  display: grid;
  gap: 6px;
}

.panel-head h3 {
  font-size: 1.9rem;
  color: inherit;
}

.panel-label {
  font-size: 0.72rem;
  color: var(--accent);
}

.conference-grid {
  margin-top: 18px;
  grid-template-columns: 1fr;
}

.conference-card .conference-meta {
  display: block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(125, 243, 255, 0.86);
  text-transform: uppercase;
}

.publication-toolbar {
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
}

.publication-grid {
  margin-top: 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.publication-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.16);
}

.publication-card .pub-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 16px;
  align-items: start;
}

.publication-card .pub-meta {
  color: var(--accent);
}

.publication-card .pub-journal {
  margin-top: 12px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-soft);
}

.publication-card .pub-summary {
  margin-top: 14px;
}

.publication-chip {
  background: rgba(17, 122, 139, 0.1);
  color: #0c6472;
  border: 1px solid rgba(17, 122, 139, 0.14);
}

.publication-chip.cv {
  background: rgba(215, 107, 71, 0.1);
  color: #ab4e31;
  border-color: rgba(215, 107, 71, 0.16);
}

.publication-footer {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 14px;
  margin-top: 18px;
}

.publication-footer .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.publication-footer .tag-row span {
  background: rgba(15, 23, 42, 0.06);
  color: var(--text-soft);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.77rem;
  font-weight: 700;
}

.timeline-grid {
  margin-top: 34px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.timeline-card {
  padding: 24px;
}

.timeline-card ul,
.mini-card ul,
.archive-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--text-soft);
  display: grid;
  gap: 10px;
}

.timeline-card li,
.mini-card li,
.archive-card li {
  line-height: 1.65;
}

.dual-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.mini-card-grid {
  margin-top: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-card {
  padding: 20px;
}

.mini-card h3 {
  font-size: 1.18rem;
}

.builder-section .section-head,
.builder-section .builder-copy,
.builder-section .builder-grid {
  position: relative;
  z-index: 1;
}

.builder-grid {
  margin-top: 30px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.07));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.16);
}

.project-card .project-meta {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(125, 243, 255, 0.82);
}

.project-card p {
  color: rgba(237, 245, 255, 0.78);
}

.project-tags {
  margin-top: 18px;
}

.project-actions a {
  color: var(--text-inverse);
  background: rgba(125, 243, 255, 0.08);
  border-color: rgba(125, 243, 255, 0.12);
}

.project-actions {
  margin-top: auto;
  padding-top: 22px;
}

.project-tags span {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(237, 245, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.studio-grid {
  margin-top: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.studio-card {
  padding: 22px;
}

.archive-root {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

.archive-group {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.archive-group[open] {
  background: rgba(255, 255, 255, 0.88);
}

.archive-group summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.archive-group summary::-webkit-details-marker {
  display: none;
}

.archive-number {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border-radius: 22px;
  background: rgba(17, 122, 139, 0.1);
  color: var(--accent);
  font-family: var(--display);
  font-size: 1.65rem;
}

.archive-title {
  font-family: var(--display);
  font-size: 1.75rem;
  line-height: 1.05;
}

.archive-subtitle {
  margin-top: 8px;
  color: var(--text-soft);
  line-height: 1.7;
}

.archive-grid {
  padding: 0 24px 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.archive-card {
  padding: 20px;
}

.archive-card h3 {
  font-size: 1.18rem;
}

.site-footer {
  padding: 86px 0 42px;
}

.footer-inner {
  padding: 24px 28px;
  border-radius: 28px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
}

.footer-title {
  margin: 0;
  font-family: var(--display);
  font-size: 1.4rem;
}

.footer-copy {
  margin: 10px 0 0;
  max-width: 60ch;
  line-height: 1.8;
  color: var(--text-soft);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 12px;
}

.footer-links a {
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-soft);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn,
  .avatar-connect {
    transition: none;
  }
}

@media (max-width: 1120px) {
  .hero-grid,
  .research-layout,
  .dual-grid {
    grid-template-columns: 1fr;
  }

  .profile-grid,
  .builder-grid,
  .studio-grid,
  .research-topline,
  .timeline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-visual {
    min-height: 560px;
  }

  .orbital-card-right {
    right: 16px;
  }
}

@media (max-width: 860px) {
  :root {
    --site-width: min(1240px, calc(100vw - 28px));
  }

  .header-inner {
    flex-direction: column;
    align-items: start;
  }

  .site-nav {
    gap: 12px;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-grid {
    gap: 28px;
  }

  .hero-stats,
  .profile-grid,
  .theme-grid,
  .publication-grid,
  .timeline-grid,
  .mini-card-grid,
  .builder-grid,
  .studio-grid,
  .archive-grid,
  .research-topline {
    grid-template-columns: 1fr;
  }

  .profile-intro,
  .research-topline,
  .research-layout,
  .publication-toolbar,
  .timeline-grid,
  .dual-grid,
  .builder-copy,
  .builder-grid,
  .studio-intro,
  .studio-grid,
  .archive-intro,
  .archive-root {
    margin-left: 0;
  }

  .research-layout,
  .dual-grid {
    grid-template-columns: 1fr;
  }

  .section-head,
  .archive-group summary {
    grid-template-columns: 1fr;
  }

  .section-index,
  .archive-number {
    width: 72px;
    height: 72px;
  }

  .hero-visual {
    min-height: 500px;
  }

  .portrait-panel {
    inset: 46px 16px 92px 16px;
  }

  .orbital-card {
    max-width: 180px;
    padding: 14px 16px 16px;
  }

  .orbital-card strong {
    font-size: 1rem;
  }

  .orbital-card p {
    font-size: 0.82rem;
  }

  .orbital-card-top {
    top: 2px;
    right: 0;
  }

  .orbital-card-right {
    right: 0;
    bottom: 108px;
  }

  .orbital-card-bottom {
    left: 0;
    bottom: 8px;
  }

  .publication-toolbar,
  .footer-inner {
    align-items: start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: start;
  }
}

@media (max-width: 620px) {
  h1 {
    max-width: none;
  }

  .hero-lead {
    font-size: 1.04rem;
  }

  .hero-visual {
    min-height: 430px;
  }

  .portrait-panel {
    inset: 28px 8px 80px 8px;
  }

  .portrait-ring-a {
    width: 260px;
    height: 260px;
  }

  .portrait-ring-b {
    width: 360px;
    height: 360px;
  }

  .avatar-stage {
    width: 154px;
    height: 154px;
  }

  .avatar-placeholder {
    font-size: 2.4rem;
  }

  .orbital-card {
    position: absolute;
    max-width: 160px;
  }

  .orbital-card-top {
    top: -6px;
  }

  .site-nav a {
    font-size: 0.86rem;
  }

  .institution-rail {
    justify-content: start;
    border-radius: 28px;
  }
}